Toffee Bars

Directions

1. 1
   Preheat oven to 350°.
2. 2
   Grease 9 x 13-inch pan.
3. 3
   Mix butter, sugar, egg yolks and vanilla.
4. 4
   Stir in flour and salt.
5. 5
   Press evenly in bottom of pan.
6. 6
   Bake until delicately browned, 25 to 35 minutes (crust will be soft).
7. 7
   Remove from oven; immediately sprinkle chocolate chips on top.
8. 8
   Let stand until soft; spread evenly.
9. 9
   Sprinkle with nuts.
10. 10
    While warm, cut into 2 x 1 1/2-inch bars.
11. 11
    Yields 32 bars.